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DATA SHEET
AFE76xx Quad/dual-channel, RF sampling analog front-end with 14-bit 9GSPS DACs and 14-bit 3GSPS ADCs
1 Device Overview
1.1 Features
- 14-Bit resolution
- Sample rate:
- RF Frequency range: up to 5.2 GHz
- Maximum RF signal bandwidth
- Quad-channel mode (4T4R): 800 MHz (single-band); 300 MHz (dual-band)
- Dual-channel mode (2T2R): 1200 MHz (TX)/1000 MHz (RX) (single-band); 800MHz(dual-band)
- On-chip dual selectable DSAs per RX channel
- Integrated TX DSA functionality
- Digital:
- Dual band digital up-converters (DUCs)
- Dual Band digital down-converters (DDCs)
- 32-Bit NCOs for DUCs/DDCs
- Interpolation ratio: 6x, 8x, 9x, 12x, 16x, 18x, 24x, 36x
- Decimation ratio: /2, /3, /4, /6, /8, /9, /12, /16, /18, /24, /32
- RX/FB Dynamic switching for TDD
- Interface:
- 8 SerDes Transceivers up to 15Gbps
- 16-Bit and 12-bit JESD204B transport layer formatting with 8b/10b encoding
- Subclass 1 multi-device synchronization
- Clock:
- Internal PLL/VCO to generate DAC and ADC clocks
- Package: 17mm x 17mm FC BGA, 0.8mm pitch
- Power supplies: 1.85 V, 1.15 V, 1.0 V, –1.8 V
1.2 Applications
- Cellular base stations
- Wideband communications
- Microwave backhaul
- Distributed antenna systems (DAS)
